1 files changed, 105 insertions, 4 deletions
diff --git a/arch/arm/plat-omap/sram.h b/arch/arm/plat-omap/sram.h
index 29b43ef97f20..cefda2e09869 100644
--- a/arch/arm/plat-omap/sram.h
+++ b/arch/arm/plat-omap/sram.h
@@ -1,6 +1,107 @@
-#ifndef __PLAT_OMAP_SRAM_H__
-#define __PLAT_OMAP_SRAM_H__
+/*
+ * arch/arm/plat-omap/include/mach/sram.h
+ *
+ * Interface for functions that need to be run in internal SRAM
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
 
-extern int __init omap_sram_init(void);
+#ifndef __ARCH_ARM_OMAP_SRAM_H
+#define __ARCH_ARM_OMAP_SRAM_H
 
-#endif /* __PLAT_OMAP_SRAM_H__ */
+#ifndef __ASSEMBLY__
+#include <asm/fncpy.h>
+
+int __init omap_sram_init(void);
+
+extern void *omap_sram_push_address(unsigned long size);
+
+/* Macro to push a function to the internal SRAM, using the fncpy API */
+#define omap_sram_push(funcp, size) ({				\
+	typeof(&(funcp)) _res = NULL;				\
+	void *_sram_address = omap_sram_push_address(size);	\
+	if (_sram_address)					\
+		_res = fncpy(_sram_address, &(funcp), size);	\
+	_res;							\
+})
+
+extern void omap_sram_reprogram_clock(u32 dpllctl, u32 ckctl);
+
+extern void omap2_sram_ddr_init(u32 *slow_dll_ctrl, u32 fast_dll_ctrl,
+				u32 base_cs, u32 force_unlock);
+extern void omap2_sram_reprogram_sdrc(u32 perf_level, u32 dll_val,
+				      u32 mem_type);
+extern u32 omap2_set_prcm(u32 dpll_ctrl_val, u32 sdrc_rfr_val, int bypass);
+
+extern u32 omap3_configure_core_dpll(
+			u32 m2, u32 unlock_dll, u32 f, u32 inc,
+			u32 sdrc_rfr_ctrl_0, u32 sdrc_actim_ctrl_a_0,
+			u32 sdrc_actim_ctrl_b_0, u32 sdrc_mr_0,
+			u32 sdrc_rfr_ctrl_1, u32 sdrc_actim_ctrl_a_1,
+			u32 sdrc_actim_ctrl_b_1, u32 sdrc_mr_1);
+extern void omap3_sram_restore_context(void);
+
+/* Do not use these */
+extern void omap1_sram_reprogram_clock(u32 ckctl, u32 dpllctl);
+extern unsigned long omap1_sram_reprogram_clock_sz;
+
+extern void omap24xx_sram_reprogram_clock(u32 ckctl, u32 dpllctl);
+extern unsigned long omap24xx_sram_reprogram_clock_sz;
+
+extern void omap242x_sram_ddr_init(u32 *slow_dll_ctrl, u32 fast_dll_ctrl,
+						u32 base_cs, u32 force_unlock);
+extern unsigned long omap242x_sram_ddr_init_sz;
+
+extern u32 omap242x_sram_set_prcm(u32 dpll_ctrl_val, u32 sdrc_rfr_val,
+						int bypass);
+extern unsigned long omap242x_sram_set_prcm_sz;
+
+extern void omap242x_sram_reprogram_sdrc(u32 perf_level, u32 dll_val,
+						u32 mem_type);
+extern unsigned long omap242x_sram_reprogram_sdrc_sz;
+
+
+extern void omap243x_sram_ddr_init(u32 *slow_dll_ctrl, u32 fast_dll_ctrl,
+						u32 base_cs, u32 force_unlock);
+extern unsigned long omap243x_sram_ddr_init_sz;
+
+extern u32 omap243x_sram_set_prcm(u32 dpll_ctrl_val, u32 sdrc_rfr_val,
+						int bypass);
+extern unsigned long omap243x_sram_set_prcm_sz;
+
+extern void omap243x_sram_reprogram_sdrc(u32 perf_level, u32 dll_val,
+						u32 mem_type);
+extern unsigned long omap243x_sram_reprogram_sdrc_sz;
+
+extern u32 omap3_sram_configure_core_dpll(
+			u32 m2, u32 unlock_dll, u32 f, u32 inc,
+			u32 sdrc_rfr_ctrl_0, u32 sdrc_actim_ctrl_a_0,
+			u32 sdrc_actim_ctrl_b_0, u32 sdrc_mr_0,
+			u32 sdrc_rfr_ctrl_1, u32 sdrc_actim_ctrl_a_1,
+			u32 sdrc_actim_ctrl_b_1, u32 sdrc_mr_1);
+extern unsigned long omap3_sram_configure_core_dpll_sz;
+
+#ifdef CONFIG_PM
+extern void omap_push_sram_idle(void);
+#else
+static inline void omap_push_sram_idle(void) {}
+#endif /* CONFIG_PM */
+
+#endif /* __ASSEMBLY__ */
+
+/*
+ * OMAP2+: define the SRAM PA addresses.
+ * Used by the SRAM management code and the idle sleep code.
+ */
+#define OMAP2_SRAM_PA		0x40200000
+#define OMAP3_SRAM_PA           0x40200000
+#ifdef CONFIG_OMAP4_ERRATA_I688
+#define OMAP4_SRAM_PA		0x40304000
+#define OMAP4_SRAM_VA		0xfe404000
+#else
+#define OMAP4_SRAM_PA		0x40300000
+#endif
+#define AM33XX_SRAM_PA		0x40300000
+#endif